Research Article

Improvement of Endothelial Cell-Polycaprolactone Interaction through Surface Modification via Aminolysis, Hydrolysis, and a Combined Approach

Figure 2

Modified surface of treated PCL samples. SEM images of untreated PCL and films treated with NaOH, KOH, HMD, NaOH + HMD, and KOH + HMD, n = 2. Representative images of each condition. Scale bar: 4 μm.